Spice grinder



FIG. 1 is a front top perspective view of a spice grinder according to the new design;

FIG. 2 is a rear bottom perspective view thereof;

FIG. 3 is a front elevation view thereof, wherein each of the rear elevation view, the left-side elevation view, and the right-side elevation view thereof is identical thereto;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines illustrate portions of the spice grinder that form no part of the claimed design. 

CLAIM The ornamental design for a spice grinder, as shown and described. 